Fix two undefined names

cclauss · cclauss · commit 001839e1dc1f · 2018-04-01T20:00:47.000+02:00
diff --git a/lib/matplotlib/pyplot.py b/lib/matplotlib/pyplot.py
@@ -2834,7 +2834,7 @@ def spy(
     __ret = gca().spy(
         Z=Z, precision=precision, marker=marker,
         markersize=markersize, aspect=aspect, origin=origin, **kwargs)
-    if isinstance(ret, cm.ScalarMappable): sci(__ret)
+    if isinstance(__ret, cm.ScalarMappable): sci(__ret)
     return __ret
 
 # Autogenerated by boilerplate.py.  Do not edit as changes will be lost.
diff --git a/lib/matplotlib/testing/decorators.py b/lib/matplotlib/testing/decorators.py
@@ -1,5 +1,6 @@
 from distutils.version import StrictVersion
 import functools
+import inspect
 import os
 from pathlib import Path
 import shutil
